<template>
  <view class="charts-box">
    <qiun-data-charts 
      type="ring"
      :opts="ringOpts"
      :chartData="ringChartData"
    />
  </view>
</template>

<script>
export default {
  data() {
    return {
      ringChartData: {},
      //您可以通过修改 config-ucharts.js 文件中下标为 ['ring'] 的节点来配置全局默认参数，如都是默认参数，此处可以不传 opts 。实际应用过程中 opts 只需传入与全局默认参数中不一致的【某一个属性】即可实现同类型的图表显示不同的样式，达到页面简洁的需求。
      ringOpts: {
      	rotate: false,
      	rotateLock: false,
      	color: ["#1890FF","#91CB74","#FAC858","#EE6666","#73C0DE","#3CA272","#FC8452","#9A60B4","#ea7ccc"],
      	padding: [5,5,5,5],
      	dataLabel: false, //值的显示
      	enableScroll: true,
          legend: {
      		show: false,
      		position: "right",
      		lineHeight: 25
          },
          title: { //中间文字
      		name: "3000场",
      		fontSize: 15,
      		color: "#666"
          },
          subtitle: { //中间蓝色字体
      		name: "",
      		fontSize: 15,
       		color: "#fff"
          },
          extra: {
              ring: {
      			ringWidth: 20,
      			activeOpacity: 0, //选中时突出去的部分是否透明
      			activeRadius: 10, //突出的范围
      			offsetAngle: 10,
      			labelWidth: 25,
      			border: false,
      			borderWidth: 13,
      			borderColor: "#FFFFFF",
              }
          }
      },
    };
  },
  onReady() {
    this.getServerData();
  },
  methods: {
    getServerData() {
      //模拟从服务器获取数据时的延时
      setTimeout(() => {
        //模拟服务器返回数据，如果数据格式和标准格式不同，需自行按下面的格式拼接
        let res = {
            series: [
              {
                data: [{"name":"一班","value":50},{"name":"二班","value":30},{"name":"三班","value":20},{"name":"四班","value":18},{"name":"五班","value":8}]
              }
            ]
          };
        this.ringChartData = JSON.parse(JSON.stringify(res));
      }, 500);
    },
  }
};
</script>

<style scoped>
  /* 请根据实际需求修改父元素尺寸，组件自动识别宽高 */
  .charts-box {
    width: 100%;
    height: 300px;
  }
</style>